diff --git a/components/log/include/esp_log.h b/components/log/include/esp_log.h
index 8616c5610..af51f6257 100644
--- a/components/log/include/esp_log.h
+++ b/components/log/include/esp_log.h
@@ -163,15 +163,15 @@ void esp_log_writev(esp_log_level_t level, const char* tag, const char* format,
 
 /**
  * @brief Dump a buffer to the log at specified level.
- * 
+ *
  * The dump log shows just like the one below:
- * 
+ *
  *      W (195) log_example: 0x3ffb4280   45 53 50 33 32 20 69 73  20 67 72 65 61 74 2c 20  |ESP32 is great, |
  *      W (195) log_example: 0x3ffb4290   77 6f 72 6b 69 6e 67 20  61 6c 6f 6e 67 20 77 69  |working along wi|
  *      W (205) log_example: 0x3ffb42a0   74 68 20 74 68 65 20 49  44 46 2e 00              |th the IDF..|
- *      
+ *
  * It is highly recommend to use terminals with over 102 text width.
- * 
+ *
  * @param tag description tag
  * @param buffer Pointer to the buffer array
  * @param buff_len length of buffer in bytes
@@ -250,7 +250,7 @@ void esp_log_writev(esp_log_level_t level, const char* tag, const char* format,
 #define LOG_RESET_COLOR
 #endif //CONFIG_LOG_COLORS
 
-#define LOG_FORMAT(letter, format)  LOG_COLOR_ ## letter #letter " (%d) %s: " format LOG_RESET_COLOR "\n"
+#define LOG_FORMAT(letter, format)  LOG_COLOR_ ## letter #letter " (%u) %s: " format LOG_RESET_COLOR "\n"
 
 /** @endcond */
 
@@ -296,7 +296,7 @@ void esp_log_writev(esp_log_level_t level, const char* tag, const char* format,
 #endif  // BOOTLOADER_BUILD
 
 /** runtime macro to output logs at a specified level.
- * 
+ *
  * @param tag tag of the log, which can be used to change the log level by ``esp_log_level_set`` at runtime.
  * @param level level of the output log.
  * @param format format of the output log. see ``printf``